Martin at work
Regina at a fumarole near Halema'uma'u crater
Descending into a lava cave
Steaming vents in Halema'uma'u's crater
Boat trip along the coast
Explosions at the lava sea entry
Betsy and Martin hiking on the lava field
Sulphur deposits
Lehua flower
Halemau'uma'u crater
Inside the double-roofed lava cave
Steam plume at the ocean entry
Martin photographing a lava flow
Hiking through a lava desert
Devastated forest
Collapsed roof of a skylight